(multimedia) Cairo is bracing for a million-strong demonstration in Tahrir Square, with revolutionary forces calling for the execution of ousted President Hosni Mubarak. Islamists there are expected to use the rally to score points for their presidential candidate, who’s up against Mubarak’s last prime minister in the run-off. As Tom Barton reports,the protest mood shows no sign of abating, and could see Egypt slide into anarchy.
